64013001906 has 48 divisors (see below), whose sum is σ = 151452456480. Its totient is φ = 17979433920.

The previous prime is 64013001769. The next prime is 64013001929. The reversal of 64013001906 is 60910031046.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1827835 + ... + 1862526.

It is an arithmetic number, because the mean of its divisors is an integer number (3155259510).

Almost surely, 2^64013001906 is an apocalyptic number.

64013001906 is an abundant number, since it is smaller than the sum of its proper divisors (87439454574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64013001906 is a wasteful number, since it uses less digits than its factorization.

64013001906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690439 (or 3690432 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 64013001906 in words is "sixty-four billion, thirteen million, one thousand, nine hundred six".